echo(min());
echo(max());
echo(min([]));
echo(max([]));
echo(min(undef));
echo(max(undef));
echo(min("a"));
echo(max("b"));
echo(min(0));
echo(max(0));
echo(min([0]));
echo(max([0]));
echo(min(0,1));
echo(max(0,1));
echo(min(0,1,2));
echo(max(0,1,2));
echo(min(0,2,1));
echo(max(0,2,1));
echo(min(1,0,2));
echo(max(1,0,2));
echo(min(2,1,0));
echo(max(2,1,0));
echo(min("a","b"));
echo(max("a","b"));
echo(min([0,1,2,3,4,5]));
echo(max([0,1,2,3,4,5]));
echo(min([5,4,3,2,1,0]));
echo(max([5,4,3,2,1,0]));
echo(min([5,4,3,0,1,2]));
echo(max([2,4,3,5,1,0]));
// TODO: What should these do?
//echo(min([[1,2],[3,4]]));
//echo(max([[1,2],[3,4]]));
